CN111871173B - Desulfurization and denitrification integrated treatment device - Google Patents
Desulfurization and denitrification integrated treatment device Download PDFInfo
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- CN111871173B CN111871173B CN202010636008.2A CN202010636008A CN111871173B CN 111871173 B CN111871173 B CN 111871173B CN 202010636008 A CN202010636008 A CN 202010636008A CN 111871173 B CN111871173 B CN 111871173B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention relates to the technical field of pollutant treatment and discloses a desulfurization and denitrification integrated treatment device which comprises a base, wherein an adsorption box is fixed on the upper surface of the base through bolts, an air inlet pipe is welded on one side of the adsorption box, an exhaust fan is arranged inside the air inlet pipe, two first slide ways are fixed on the inner wall of one side of the adsorption box through bolts, a sliding door is connected between the two first slide ways in a sliding mode, a stirring block is welded on one side of the sliding door, a motor is fixed on the top of the base through bolts, a molecular sieve disc is sleeved on one end of an output shaft of the motor and is in contact with the stirring block, and a treatment tank is fixed on the top of the base through bolts. The invention can adsorb nitrogen dioxide in waste gas, can also make ammonia gas and nitrogen dioxide react to generate nitrogen and water, carries out treatment on sulfur dioxide in the waste gas, carries out thorough treatment on the waste gas, and is beneficial to environmental protection.
Description
Technical Field
The invention relates to the technical field of pollutant treatment, in particular to a desulfurization and denitrification integrated treatment device.
Background
As is well known, a desulfurization and denitrification integrated treatment device is a device for treating exhaust gas, and is widely used in the field; the existing desulfurization and denitrification integrated treatment device comprises a shell, wherein an air inlet hole is formed in one side of the bottom of the shell; the existing desulfurization and denitrification integrated treatment device is found to be incapable of performing multi-stage treatment in use, poor in treatment effect and incomplete in desulfurization and denitrification.
Through the retrieval, grant publication number CN 110917834A's patent discloses a SOx/NOx control integrated device, including the casing, casing bottom one side is provided with the inlet port, and the casing bottom is provided with the mouth that gathers dust, and it is provided with the filter screen to gather dust a mouthful top and be located the casing inboard. The above patents suffer from the following disadvantages: the method can not carry out multi-stage treatment, has poor treatment effect, and can not meet the requirements of people because the desulfurization and the denitrification are not thorough enough.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a desulfurization and denitrification integrated treatment device, which mainly solves the problems that multi-stage treatment cannot be carried out, the treatment effect is poor, and desulfurization and denitrification are not thorough enough.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a desulfurization and denitrification integrated treatment device comprises a base, wherein an adsorption box is fixed on the upper surface of the base through bolts, an air inlet pipe is welded on one side of the adsorption box, an exhaust fan is arranged inside the air inlet pipe, two first slide ways are fixed on the inner wall of one side of the adsorption box through bolts, a sliding door is connected between the two first slide ways in a sliding manner, a toggle block is welded on one side of the sliding door, a motor is fixed on the top of the base through bolts, a molecular sieve disc is sleeved at one end of an output shaft of the motor and is in contact with the toggle block, a treatment tank is fixed on the top of the base through bolts, a water collecting tank is arranged inside the treatment tank, a branch air pipe is arranged on one side of the water collecting tank, a connecting pipe is welded between the treatment tank and the adsorption box, a chute is arranged on one side of the treatment tank, a sliding column and a stirring rod are connected on the inner wall of one side of the chute in a sliding manner, one side welding of stirring rod has a plurality of stirring leaves, and the one end key-type connection of stirring rod has the band pulley, and the equal round trip of one end of slip post and motor output shaft has the belt, the circumference inner wall of treatment tank has the mounting panel through the bolt fastening, and the top of mounting panel is equipped with exhaust apparatus, the top of base is equipped with air entrainment device.
Further, exhaust apparatus includes sealed tube and blast pipe, and the mounting hole has been seted up to one side of mounting panel, one side inner wall and the sealed tube fixed connection of mounting hole, and the circumference inner wall sliding connection of blast pipe and sealed tube.
On the basis of the scheme, one side of the treatment tank is provided with an insertion hole, a pushing shaft is inserted in the insertion hole, one end of the stirring rod is fixedly provided with a rotating plate through a bolt, and the other end of the rotating plate is rotatably connected with one end of the pushing shaft.
As a further scheme of the present invention, a second slideway is fixed on the upper surface of the mounting plate through a bolt, a convex block is connected to an inner wall of one side of the second slideway in a sliding manner, one side of the convex block is fixedly connected with the other end of the pushing shaft, a spring is fixed to an inner wall of one side of the convex block through a bolt, and the other end of the spring is fixedly connected with one side of the convex block.
Furthermore, a sliding hole is formed in one side of the sealing pipe, a fixing shaft is connected in the sliding hole in a sliding mode, one end of the fixing shaft is fixedly connected with one side of the exhaust pipe, and the other end of the fixing shaft is in contact with the protruding block.
On the basis of the scheme, the inner wall of the circumference of the exhaust pipe is fixed with an activated carbon filter plate through bolts.
As a further scheme of the invention, the gas adding device comprises an ammonia gas tank and a gas conveying pipe, wherein the outer wall of the bottom of the ammonia gas tank is fixedly connected with the top of the base, one end of the gas conveying pipe is fixedly connected with one side of the ammonia gas tank, and the other end of the gas conveying pipe is communicated with the treatment tank.
Furthermore, a drain pipe is welded at one side of the bottom of the treatment tank, and the height of the drain pipe is lower than that of the connecting pipe.
On the basis of the scheme, one side of the adsorption box is provided with a cleaning door, one side of the cleaning door is fixedly provided with a handle through a bolt, and the handle is bonded with an anti-slip pad.
(III) advantageous effects
Compared with the prior art, the invention provides a desulfurization and denitrification integrated treatment device, which has the following beneficial effects:
1. can rotate under the drive of motor through setting up of molecular sieve dish to make the abundant and air contact of molecular sieve dish, adsorb nitrogen dioxide in the waste gas and carry out preliminary processing, make things convenient for the processing in later stage.
2. The sulfur dioxide and the water in the waste gas can be conveniently melted through the water collecting tank, the ammonia gas in the ammonia gas tank can be conveyed into the treatment tank through the arrangement of the gas conveying pipe under the matching of the ammonia gas tank, the ammonia gas tank is made to react with the sulfur dioxide to generate nitrogen gas and water, the sulfur dioxide in the waste gas is treated, the waste gas is thoroughly treated, and the environment protection is facilitated.
3. The setting through the belt can rotate under the drive of motor, and under the cooperation of band pulley, the stirring rod begins to rotate for ammonia and sulfur dioxide fully react, promote the effect of handling.
4. Can rotate under the drive of stirring rod through the setting of rotor plate, under the cooperation that promotes the axle, the lug slides in the second slide to make fixed axle jack-up that makes progress, the blast pipe slides in the sealed tube simultaneously, realizes an indirect exhaust, guarantees that the treatment tank is in a confined space at the reaction time, promotes the effect of administering.
Drawings
FIG. 1 is a schematic perspective view of a desulfurization and denitrification integrated treatment device provided by the invention;
FIG. 2 is a schematic diagram of a rear view structure of the desulfurization and denitrification integrated treatment device provided by the invention;
FIG. 3 is a schematic view of the internal structure of a desulfurization and denitrification integrated treatment device provided by the invention;
fig. 4 is a schematic sectional structural view of a desulfurization and denitrification integrated treatment device provided by the invention.
In the figure: 1. a base; 2. an adsorption tank; 3. an air inlet pipe; 4. an exhaust fan; 5. a motor; 6. a molecular sieve tray; 7. a first slideway; 8. a sliding door; 9. a shifting block; 10. a connecting pipe; 11. a treatment tank; 12. a belt; 13. a sliding post; 14. a pulley; 15. a rotating plate; 16. a sealing tube; 17. an exhaust pipe; 18. an activated carbon filter plate; 19. a fixed shaft; 20. a second slideway; 21. a bump; 22. a spring; 23. pushing the shaft; 24. a stirring rod; 25. a water collection tank; 26. an ammonia tank; 27. a gas delivery pipe; 28. a bronchus; 29. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a desulfurization and denitrification integrated treatment device comprises a base 1, an adsorption tank 2 is fixed on the upper surface of the base 1 through bolts, an air inlet pipe 3 is welded on one side of the adsorption tank 2, an exhaust fan 4 is arranged inside the air inlet pipe 3, waste gas is pumped into the adsorption tank 2 for adsorption through the air inlet pipe 3 under the cooperation of the exhaust fan 4, two first slideways 7 are fixed on the inner wall of one side of the adsorption tank 2 through bolts, a sliding door 8 is connected between the two first slideways 7 in a sliding manner, a stirring block 9 is welded on one side of the sliding door 8, a motor 5 is fixed on the top of the base 1 through bolts, a molecular sieve tray 6 is sleeved on one end of an output shaft of the motor 5 and is driven by the motor 5 to rotate through the molecular sieve tray 6, so that the molecular sieve tray 6 is fully contacted with air, nitrogen dioxide in the adsorbed waste gas is primarily treated, the molecular sieve tray 6 is contacted with the stirring block 9, the top of the base 1 is fixed with a treatment tank 11 through bolts, a water collecting tank 25 is arranged inside the treatment tank 11, sulfur dioxide in the waste gas is convenient to melt with water through the water collecting tank 25, a branch gas pipe 28 is arranged on one side of the water collecting tank 25, a connecting pipe 10 is welded between the treatment tank 11 and the adsorption tank 2, the stirring block 9 is driven by the molecular sieve tray 6 to move upwards, so that the sliding door 8 slides on the first slideway 7, the sliding door 8 is opened, the waste gas after primary treatment is convenient to convey into the treatment tank 11 through the connecting pipe 10 for waiting treatment, one side of the treatment tank 11 is provided with a chute, the inner wall of one side of the chute is connected with a sliding column 13 and a stirring rod 24 in a sliding manner, one side of the stirring rod 24 is welded with a plurality of stirring blades, one end of the stirring rod 24 is connected with a belt wheel 14 in a key manner, the belt wheel 14 is wound on one end of the sliding column 13 and one end of an output shaft of the motor 5, rotate under motor 5's drive through belt 12, under the cooperation of band pulley 14, stirring rod 24 begins to rotate for ammonia and sulfur dioxide fully react, and the circumference inner wall of treatment tank 11 has the mounting panel through the bolt fastening, and the top of mounting panel is equipped with exhaust apparatus, and the top of base 1 is equipped with air entrainment device.
The exhaust device comprises a sealing pipe 16 and an exhaust pipe 17, one side of the mounting plate is provided with a mounting hole, the inner wall of one side of the mounting hole is fixedly connected with the sealing pipe 16, and the exhaust pipe 17 is connected with the inner wall of the circumference of the sealing pipe 16 in a sliding way, one side of the processing tank 11 is provided with an inserting hole, a pushing shaft 23 is inserted in the inserting hole, one end of a stirring rod 24 is fixed with a rotating plate 15 through a bolt, the rotating plate 15 is driven by the stirring rod 24 to rotate, the other end of the rotating plate 15 is rotatably connected with one end of the pushing shaft 23, the upper surface of the mounting plate is fixed with a second slideway 20 through a bolt, the inner wall of one side of the second slideway 20 is connected with a lug 21 in a sliding way, one side of the lug 21 is fixedly connected with the other end of the pushing shaft 23, under the cooperation of the pushing shaft 23, the projection 21 slides in the second slideway 20, and a spring 22 is fixed on the inner wall of one side of the projection 21 through a bolt, and the other end of the spring 22 is fixedly connected with one side of the projection 21.
One side of the sealing pipe 16 is provided with a sliding hole, a fixing shaft 19 is connected in the sliding hole in a sliding manner, so that the fixing shaft 19 is upwards jacked up, one end of the fixing shaft 19 is fixedly connected with one side of the exhaust pipe 17, the other end of the fixing shaft 19 is contacted with the bump 21, meanwhile, the exhaust pipe 17 slides in the sealing pipe 16, indirect exhaust is realized, the inner wall of the circumference of the exhaust pipe 17 is fixedly provided with an active carbon filter plate 18 through bolts, peculiar smell in the discharged gas is absorbed and removed through the active carbon filter plate 18, the air-entrapping device comprises an ammonia tank 26 and an air conveying pipe 27, the outer wall of the bottom of the ammonia tank 26 is fixedly connected with the top of the base 1, one end of the air conveying pipe 27 is fixedly connected with one side of the ammonia tank 26, the other end of the air conveying pipe 27 is communicated with the treatment tank 11, the ammonia in the ammonia tank 26 is conveyed into the treatment tank 11 through the air conveying pipe 27, one side of the bottom of the treatment tank 11 is welded with a drain pipe 29, when the water level in the water collecting tank 25 is too high through the drain pipe 29, automatic discharge prevents that water from flowing backward into the adsorption tank 2, and the height that highly is less than connecting pipe 10 of drain pipe 29 is equipped with the clearance door in one side of adsorption tank 2, and there is the handle one side of clearance door through the bolt fastening, and the bonding of handle has the slipmat, and the setting up of clearance door is convenient to the clearance and the maintenance of molecular sieve dish 6.
The working principle of the embodiment is as follows: when in use, firstly, under the action of the exhaust fan 4, the exhaust gas is pumped into the adsorption tank 2 from the air inlet pipe 3, then the motor 5 is started, the molecular sieve tray 6 rotates under the drive of the motor 5, so that the molecular sieve tray 6 is fully contacted with the air to adsorb nitrogen dioxide in the exhaust gas, meanwhile, the stirring block 9 moves upwards under the drive of the molecular sieve tray 6, so that the sliding door 8 slides on the first slideway 7, so that the sliding door 8 is opened, the exhaust gas after primary treatment enters the treatment tank 11 through the connecting pipe 10, the sulfur dioxide entering the treatment tank 11 is melted with the water in the water collecting tank 25, meanwhile, under the cooperation of the ammonia tank 26, the ammonia gas pipe 27 conveys the ammonia gas in the ammonia gas tank 26 into the treatment tank 11, so that the ammonia gas reacts with the sulfur dioxide to generate nitrogen gas and water, meanwhile, under the drive of the motor 5, the belt 12 rotates under the cooperation of the belt wheel 14, stirring rod 24 begins to rotate, make ammonia and sulfur dioxide fully react, generate water along the inner wall of treatment tank 11 fall back to in the water catch bowl 25, nitrogen gas gets into in the blast pipe 17, rotation board 15 rotates under the drive of stirring rod 24, under the cooperation of promotion axle 23, lug 21 slides in second slide 20, thereby make fixed axle 19 jack-up upwards, simultaneously blast pipe 17 slides in sealed tube 16, realize an indirect exhaust, at carminative in-process, through the peculiar smell absorption in the gas that active carbon filter 18 will discharge, when the water level in the water catch bowl 25 is too high, discharge through drain pipe 29 is automatic, prevent that water from flowing backward into adsorption tank 2, influence absorbent effect.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The integrated desulfurization and denitrification treatment device comprises a base (1) and is characterized in that an adsorption tank (2) is fixedly connected to the upper surface of the base (1), an air inlet pipe (3) is fixedly connected to one side of the adsorption tank (2), an exhaust fan (4) is arranged inside the air inlet pipe (3), two first slideways (7) are fixedly connected to the inner wall of one side of the adsorption tank (2), a sliding door (8) is movably connected between the two first slideways (7), a stirring block (9) is fixedly connected to one side of the sliding door (8), a motor (5) is fixedly connected to the top of the base (1), a molecular sieve tray (6) is arranged at one end of an output shaft of the motor (5), the molecular sieve tray (6) is in contact with the stirring block (9), a treatment tank (11) is fixedly connected to the top of the base (1), and a water collecting tank (25) is arranged inside the treatment tank (11), a branch gas pipe (28) is arranged on one side of the water collecting tank (25), a connecting pipe (10) is fixedly connected between the treatment tank (11) and the adsorption tank (2), a sliding groove is formed in one side of the treatment tank (11), a sliding column (13) and a stirring rod (24) are movably connected to the inner wall of one side of the sliding groove, a plurality of stirring blades are fixedly connected to one side of the stirring rod (24), a belt wheel (14) is fixedly connected to one end of the stirring rod (24), a belt (12) is arranged at each of the belt wheel (14), the sliding column (13) and one end of an output shaft of the motor (5), a mounting plate is fixedly connected to the inner wall of the circumference of the treatment tank (11), an exhaust device is arranged at the top of the mounting plate, and a gas adding device is arranged at the top of the base (1);
the exhaust device comprises a sealing pipe (16) and an exhaust pipe (17), one side of the mounting plate is provided with a mounting hole, the inner wall of one side of the mounting hole is fixedly connected with the sealing pipe (16), and the exhaust pipe (17) is in sliding connection with the circumferential inner wall of the sealing pipe (16);
one side of the treatment tank (11) is provided with an inserting hole, a pushing shaft (23) is arranged in the inserting hole, one end of the stirring rod (24) is fixedly connected with a rotating plate (15), and the other end of the rotating plate (15) is rotatably connected with one end of the pushing shaft (23);
the last fixed surface of mounting panel is connected with second slide (20), and one side inner wall swing joint of second slide (20) has lug (21), one side of lug (21) and the other end fixed connection who promotes axle (23), and one side inner wall fixedly connected with spring (22) of lug (21), the other end of spring (22) and one side fixed connection of lug (21).
2. The integrated treatment device for desulfurization and denitrification according to claim 1, which is characterized in that: a sliding hole is formed in one side of the sealing pipe (16), a fixing shaft (19) is movably connected in the sliding hole, one end of the fixing shaft (19) is fixedly connected with one side of the exhaust pipe (17), and the other end of the fixing shaft (19) is in contact with the bump (21).
3. The integrated treatment device for desulfurization and denitrification according to claim 1, which is characterized in that: the inner wall of the circumference of the exhaust pipe (17) is fixedly connected with an active carbon filter plate (18).
4. The integrated treatment device for desulfurization and denitrification according to claim 1, which is characterized in that: the aerating device comprises an ammonia tank (26) and an air conveying pipe (27), the outer wall of the bottom of the ammonia tank (26) is fixedly connected with the top of the base (1), one end of the air conveying pipe (27) is fixedly connected with one side of the ammonia tank (26), and the other end of the air conveying pipe (27) is communicated with the treatment tank (11).
5. The integrated treatment device for desulfurization and denitrification according to claim 1, which is characterized in that: one side of the bottom of the treatment tank (11) is fixedly connected with a drain pipe (29), and the height of the drain pipe (29) is lower than that of the connecting pipe (10).
6. The integrated treatment device for desulfurization and denitrification according to claim 1, which is characterized in that: one side of adsorption tank (2) is equipped with the clearance door, one side fixedly connected with handle of clearance door, the fixedly connected with slipmat of handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010636008.2A CN111871173B (en) | 2020-07-03 | 2020-07-03 | Desulfurization and denitrification integrated treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010636008.2A CN111871173B (en) | 2020-07-03 | 2020-07-03 | Desulfurization and denitrification integrated treatment device |
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| CN111871173A CN111871173A (en) | 2020-11-03 |
| CN111871173B true CN111871173B (en) | 2022-05-27 |
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| CN114699879B (en) * | 2022-03-28 | 2023-01-31 | 昆山工统环保科技有限公司 | Activated carbon adsorption device for catalytic combustion gas adsorption |
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